Driving licence exam

Which option is true for winter road conditions?

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If the towcar has studded tyres, the trailer must also have studded tyres during winter road conditions.” (Swedish Transport Agency)

The jack-knife effect entails the car braking better than the trailer, which leads to the trailer exerting force from behind and potentially sliding out to the left or right. This makes the car and trailer fold together like a jack-knife.

This is an example of one of the driving theory questions at Körtkortonline.se. There are questions in three languages: English mock test, Swedish mock test and Arabic mock test

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